tungsten carbide


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tungsten carbide

[′təŋ·stən ′kär‚bīd]
(inorganic chemistry)
WC A hard, gray powder; insoluble in water; readily attacked by nitric-hydrofluoric acid mixture; melts at 2780°C; used in tools, dies, ceramics, cermets, and wear-resistant mechanical parts, and as an abrasive.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
They incorporated the tungsten carbide nanoparticles into the membrane of a fuel cell.
Its' high intensity magnetic cores make it 100% effective for use with materials which have lower magnetic permeability such as tungsten carbide.
CVD tungsten carbide coatings also show good potential for use in the space sector, particularly for satellites.
For the conformation of the fabrication of nanoparticles XRD was performed and the size of the particles was confirmed by AFM and at the last the conductivity of the samples was measured by Four Point Probe Figure 4 is clearly showing the successful fabrication of the tungsten carbide nanoparticles, the height and diameter profile of these nanoparticles is also shown in figure from which we can conclude that the tungsten carbide nanoparticles have diameter in the range of 40-50 nm.
Mitsubishi Materials is a major world manufacturer of Tungsten Carbide cutting tools, excelling in the manufacturing process control of the raw material (powder) to final product.
Tungsten carbide rings and ceramic rings are two new great options for men who want update modern jewelry beyond traditional choices.
The tips, which are available in stainless steel, tool steel and tungsten carbide, can be slid onto blade holders and secured with one retaining socket-head screw, allowing rapid replacement.
Crafts Technology has introduced a new core pin made from a special grade of tungsten carbide that it says directly addresses the problems of thermal conductivity and deflection in injection molding: "The tungsten carbide core pin has a very high thermal conductivity with extreme rigidity.
Technogenia has developed a very high quality tungsten carbide which comes in the form of spherical beads of exceptional hardness: 3,000 +/- 500 Hv.
Mansour Razavi, one of the researchers at Materials and Energy Research Center (MERC), applied high-energy milling to synthesize tungsten carbide nanopowder and Fe-TiC nanocomposite.He mentioned the main aim of this study as "investigating the effect of activation on raw materials synthesis temperature".He managed to successfully produce tungsten carbide nanopowder and Fe-TiC nanocomposite from ilmenite concentrate and carbon black and decrease the temperature of thermal treatment of mechanical activation raw materials.
WBH, based in St Martin and with a mine and ore dressing plant in Mittersill, produces tungsten carbide and tungsten metal powders.